Nook goes HD to face-off with Kindle

Barnes & Noble added two Nooks to the tablet family that have better screens and faster processors. Arriving in October, there’s the 7-inch Nook HD (starting at $200 with 8 GB) and the 9-inch Nook HD+ (starting at $270 with 16 GB). They weigh in lighter than the competition and both have slots to add your own memory cards. But neither has a camera.
Gamers will be interested in the Wikipad, 10.1-inch tablet that has a controller dock with two analog sticks, a directional pad and four buttons. It costs $500…